55650556016 has 80 divisors (see below), whose sum is σ = 122845137408. Its totient is φ = 24175008000.

The previous prime is 55650555967. The next prime is 55650556051. The reversal of 55650556016 is 61065505655.

It is a Harshad number since it is a multiple of its sum of digits (44).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 5261165 + ... + 5271731.

Almost surely, 2^55650556016 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 55650556016, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (61422568704).

55650556016 is an abundant number, since it is smaller than the sum of its proper divisors (67194581392).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

55650556016 is a wasteful number, since it uses less digits than its factorization.

55650556016 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 11910 (or 11904 counting only the distinct ones).

The product of its (nonzero) digits is 675000, while the sum is 44.

The spelling of 55650556016 in words is "fifty-five billion, six hundred fifty million, five hundred fifty-six thousand, sixteen".